/* * Copyright (c) 2013, 2021, Red Hat, Inc. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_GC_SHENANDOAH_SHENANDOAHCONCURRENTMARK_HPP #define SHARE_GC_SHENANDOAH_SHENANDOAHCONCURRENTMARK_HPP #include "gc/shared/taskqueue.hpp" #include "gc/shared/taskTerminator.hpp" #include "gc/shenandoah/shenandoahMark.hpp" #include "gc/shenandoah/shenandoahOopClosures.hpp" #include "gc/shenandoah/shenandoahTaskqueue.hpp" class ShenandoahStrDedupQueue; class ShenandoahReferenceProcessor; class ShenandoahConcurrentMark: public ShenandoahMark { friend class ShenandoahConcurrentMarkingTask; friend class ShenandoahFinalMarkingTask; public: ShenandoahConcurrentMark(); // When concurrent stack processing is not supported void mark_stw_roots(); void mark_concurrent_roots(); // Concurrent mark void concurrent_mark(); // Finish mark at a safepoint void finish_mark(); static void cancel(); // TODO: where to put them static void update_roots(ShenandoahPhaseTimings::Phase root_phase); static void update_thread_roots(ShenandoahPhaseTimings::Phase root_phase); private: void finish_mark_work(); }; #endif // SHARE_GC_SHENANDOAH_SHENANDOAHCONCURRENTMARK_HPP